Art Book Collections/ TradePaperbacks
Ages: Platinum (1897-1938) Golden ( 1938 -1955) Silver ( 1956 – 1970 ) Bronze (1970 – 1985) * most refer to 1985 to present as the Modern Age.
However some comicbook historians use names to divide the different periods following 1985. Copper (1985 – 1991) Extreme ( 1992 – 1998) Movie ( 1998-present)